WFO Monthly/Daily Climate Data
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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CXUS51 KBOX 260810
CF6BOS
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: BOSTON MA
MONTH: MAY
YEAR: 2026
LATITUDE: 42 22 N
LONGITUDE: 71 2 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 65 47 56 2 9 0 0.00 0.0 M 11.9 20 300 M M 5 31 320
2 55 48 52 -2 13 0 0.04 0.0 M 7.5 16 200 M M 8 23 190
3 55 44 50 -5 15 0 T 0.0 M 13.8 25 320 M M 7 35 320
4 73 46 60 5 5 0 0.00 0.0 M 15.6 33 220 M M 5 44 220
5 79 50 65 10 0 0 0.00 0.0 M 16.8 30 210 M M 5 42 210
6 70 57 64 8 1 0 0.05 0.0 M 16.1 26 200 M M 8 1 38 190
7 65 50 58 2 7 0 0.14 0.0 M 11.7 20 290 M M 5 1 27 260
8 62 47 55 -1 10 0 0.00 0.0 M 11.0 22 250 M M 4 33 300
9 55 42 49 -7 16 0 0.35 0.0 M 6.0 17 210 M M 8 18 26 200
10 75 51 63 6 2 0 0.00 0.0 M 9.9 18 220 M M 8 32 190
11 62 49 56 -1 9 0 T 0.0 M 8.4 17 320 M M 8 25 350
12 64 48 56 -1 9 0 0.00 0.0 M 8.0 17 120 M M 4 23 310
13 64 46 55 -3 10 0 T 0.0 M 10.8 26 190 M M 8 34 190
14 63 51 57 -1 8 0 0.19 0.0 M 8.2 18 80 M M 10 18 24 160
15 55 50 53 -5 12 0 T 0.0 M 7.6 16 60 M M 8 1 21 40
16 80 49 65 7 0 0 0.00 0.0 M 12.5 23 220 M M 3 34 220
17 90 59 75 16 0 10 0.02 0.0 M 11.5 20 220 M M 4 31 250
18 71 59 65 6 0 0 0.00 0.0 M 9.1 20 90 M M 5 25 90
19 96 68 82 23 0 17 0.20 0.0 M 13.2 29 270 M M 3 13 46 260
20 91 65 78 18 0 13 0.00 0.0 M 13.3 28 270 M M 6 39 270
21 73 57 65 5 0 0 T 0.0 M 9.8 17 350 M M 9 25 360
22 59 50 55 -5 10 0 0.00 0.0 M 10.2 15 110 M M 9 25 100
23 61 52 57 -3 8 0 T 0.0 M 7.5 14 80 M M 10 18 50
24 55 52 54 -7 11 0 0.38 0.0 M 11.5 21 90 M M 10 1 27 100
25 77 54 66 5 0 1 0.07 0.0 M 6.5 14 310 M M 7 12 22 290
================================================================================
SM 1715 1291 155 41 1.44 0.0 268.4 M 167
================================================================================
AV 68.6 51.6 10.7 FASTST M M 7 MAX(MPH)
MISC ----> 33 220 46 260
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: BOSTON MA
MONTH: MAY
YEAR: 2026
LATITUDE: 42 22 N
LONGITUDE: 71 2 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 60.1 TOTAL FOR MONTH: 1.44 1 = FOG OR MIST
DPTR FM NORMAL: 2.6 DPTR FM NORMAL: -1.14 2 = FOG REDUCING VISIBILITY
HIGHEST: 96 ON 19 GRTST 24HR 0.43 ON 24-25 TO 1/4 MILE OR LESS
LOWEST: 42 ON 9 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 9
MAX 90 OR ABOVE: 3 0.10 INCH OR MORE: 5
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 155 CLEAR (SCALE 0-3) 1
DPTR FM NORMAL -49 PTCLDY (SCALE 4-7) 16
TOTAL FM JUL 1 5497 CLOUDY (SCALE 8-10) 8
DPTR FM NORMAL 31
[CDD (BASE 65) ]
TOTAL THIS MO. 41
DPTR FM NORMAL 24 [PRESSURE DATA]
TOTAL FM JAN 1 44 HIGHEST SLP M ON M
DPTR FM NORMAL 23 LOWEST SLP 29.67 ON 7
[REMARKS]